InChI=1S/C22H22O12/c1-30-13-5-9-4-11(32-12(9)7-14(13)31-2)8-3-10(23)16(24)15(6-8)33-22-19(27)17(25)18(26)20(34-22)21(28)29/h3-7,17-20,22-27H,1-2H3,(H,28,29)